Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This small island was the first National Wildlife Refuge ever created in the United States.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This historic national park is covered in the stunning ruins of red rock pueblos.

An homage to everyone's favorite prehistoric cartoon family.

The eroded core of an ancient volcano is now accessible by a short hike.

A replica of the flagpole that gave a frontier town its name.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Ancient pueblos built into the base of a natural canyon wall.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

See massive fossils that are over 200 million years old in northeastern Arizona.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

This bird-shaped rock formation defies gravity, time, and classification.

A blacklight journey through a celestial art exhibit.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This is one really big nut.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.